flow chart support

[abakhru]

• Really love the library, awesome job. Thank you!
• would love to have flow-chart kind of support for now decision making
  • something along these lines https://github.com/cdfmlr/pyflowchart but in awesome diagrams way

[clayms]

All of the Graphviz generic shapes are available. Just create a Node class object directly and set the shape parameter equal to the the name of the shape you want as a string, e.g. Node("label", shape="star").

Graphviz shapes: https://graphviz.gitlab.io/doc/info/shapes.html

Have a look at the following issue comments for example code.
#290 (comment)
#185 (comment)

Also have a look at html nodes:
#389 (comment)
#389 (comment)
#389 (comment)

[clayms]

Here is the flowchart.js Demo 1 in this library.

from diagrams import Diagram, Cluster, Node, Edge

cluster_attr = {
    "label":"", 
    "bgcolor":"transparent",
    "penwidth":"0",
}

with Diagram("\n\nflowchart.js Demo 1", direction="TB", show=False) :
    """     """
    with Cluster("1", graph_attr=cluster_attr):
        start = Node(label="start a_pyflow_test", labelloc="c", 
            shape="rectangle", style="rounded", width="2", height="0.5", )
        loopback = Node(label="", labelloc="c", 
            shape="plaintext", style="solid", width="0", height="0", )
        operation = Node(label="do something", labelloc="c", 
            shape="rectangle", style="solid", width="2", height="0.5", )
        condition = Node(label="Yes or No?", labelloc="c", 
            shape="diamond", style="solid", width="2", height="1", )
        inputoutput = Node(label="output: something...", labelloc="c", 
            shape="parallelogram", style="solid", width="2.5", height="0.5", )
        end = Node(label="end a_pyflow_test", labelloc="c", 
            shape="rectangle", style="rounded", width="2", height="0.5", )


    with Cluster("2", graph_attr=cluster_attr):
        subroutine = Node(label="<f0> |<f1>A Subroutine|<f2> ", labelloc="c", 
            shape="record", style="solid", width="2", height="0.5", )
        subroutine_out = Node(label="", labelloc="c", 
            shape="plaintext", style="solid", width="0", height="0", )


    (
        start - Edge(tailport="s", headport="n",) -
        loopback >> Edge(tailport="s", headport="n",) >>
        operation >> 
        condition >> Edge(taillabel="yes") >>
        inputoutput >> 
        end
    )
    (
        condition >> Edge(taillabel="no", headport="f0", tailport="e", minlen="0",) >>
        subroutine
    )
    (
        subroutine - Edge(tailport="f2", minlen="0",) -
        subroutine_out
    )
    (
        subroutine_out - 
        loopback
    )